<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>css</title>
		<link rel="stylesheet" href="cs.css" />
	</head>
	<body>
		<div id='box'>
			明天你好
		</div>
		<div id='box2'>
			明天不好
		</div>
	</body>
</html>
